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Joseph Brennan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Joseph Brennan across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 10-person household.
Age 20
b. ~1900
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Brennan |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Chicago Ill |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Rigger |
| Industry | Navy Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Rigger |
| Est. Birth Year | ~1900 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Edward Brennan | Son | — | 19 | ~1901 |
| Helen Brennan | Daughter | — | 6 | ~1914 |
| Lawrence Brennan | Son | — | 15 | ~1905 |
| Paul Brennan | Son | — | 8 | ~1912 |
| Bernard Brennan | Son | — | 3 | ~1917 |
| Andrew Brennan | Head | — | 42 | ~1878 |
| John Brennan | Son | — | 16 | ~1904 |
| Francis Brennan | Son | — | 10 | ~1910 |
| Joseph Brennan | Son | — | 20 | ~1900 |
| Mary Brennan | Spouse | — | 41 | ~1879 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Son, age 20
Philadelphia, Pennsylvania · implied b. ~1900 — 10 household members
| Surname | Brennan |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Chicago Ill |
| Mother's Birthplace | Pennsylvania |
| Occupation | Rigger |
| Industry | Navy Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Joseph Brennan across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Brennan
Son · 1920 · age 20 · b. ~1900 · Pennsylvania
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Sibling
Edward Brennan
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Brennan
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Brennan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Brennan
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brennan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Brennan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Brennan
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
46 people indexed on this census page (ia:1920:14thcensusofpopu1640unit:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Rothstein | 45 | head | Stationery Store | Hungary |
| 2 | Sara Rothstein | 35 | wife | None | Hungary |
| 3 | Wm Bateman | None | roomer | None | US |
| 4 | Jacob Siegle | 43 | head | Loading Car | Pennsylvania |
| 5 | Wm Siegle | 19 | son | Ship Fitter | Pennsylvania |
| 6 | Anna Siegle | 18 | daughter | None | Pennsylvania |
| 7 | Florence Siegle | 16 | daughter | Candy Packer | Pennsylvania |
| 8 | Laura Siegle | 13 | daughter | None | Pennsylvania |
| 9 | Ruth Siegle | 8 | daughter | None | Pennsylvania |
| 10 | Anna J Brennan | 58 | head | None | Ohio |
| 11 | Henry J Brennan | 22 | son | Driller Iron Work | Pennsylvania |
| 12 | Harry Gale | 35 | head | Cooker | Pennsylvania |
| 13 | Nellie Gale | 34 | wife | None | Pennsylvania |
| 14 | Isabelle Gale | 14 | daughter | None | Pennsylvania |
| 15 | Nellie Gale | 12 | daughter | None | Pennsylvania |
| 16 | Anna Gale | 5 | daughter | None | Pennsylvania |
| 17 | Frank Holland | 28 | brother-in-law | None | Pennsylvania |
| 18 | Anna Boldzar | 22 | sister-in-law | Guard | Pennsylvania |
| 19 | Wm Ramsey | 38 | head | Buyer | Pennsylvania |
| 20 | Laura Ramsey | 34 | wife | None | Pennsylvania |
| 21 | George Ramsey | 11 | daughter | None | Pennsylvania |
| 22 | Mary J Ryan | 50 | head | None | Pennsylvania |
| 23 | John Ryan | 30 | son | Teamster | Pennsylvania |
| 24 | Thomas Ryan | 26 | son | Electrician | Pennsylvania |
| 25 | John Mcdermott | 56 | head | Yard Boss | Pennsylvania |
| 26 | Amada Mcdermott | 58 | wife | None | Delaware |
| 27 | Fred Gibson | 63 | boarder | Labor | Massachusetts |
| 28 | Andrew Brennan | 42 | head | Rigger | Chicago Ill |
| 29 | Mary Brennan | 41 | wife | None | Pennsylvania |
| 30 | Joseph Brennan THIS PERSON | 20 | son | Rigger | Pennsylvania |
| 31 | Edward Brennan | 19 | son | None | Pennsylvania |
| 32 | John Brennan | 16 | son | None | Pennsylvania |
| 33 | Lawrence Brennan | 15 | son | None | Pennsylvania |
| 34 | Francis Brennan | 10 | son | None | Pennsylvania |
| 35 | Paul Brennan | 8 | son | None | Pennsylvania |
| 36 | Helen Brennan | 6 | daughter | None | Pennsylvania |
| 37 | Bernard Brennan | 3 | son | None | Pennsylvania |
| 38 | Virginia Kelley | 76 | head | None | Pennsylvania |
| 39 | George C Kelley | 54 | son | Iron Worker | Altoona Pa |
| 40 | Joseph H Kelley | 48 | son | None | Altoona Pa |
| 41 | Anna H Kelley | 34 | daughter | None | Altoona Pa |
| 42 | William Courtney | 40 | boarder | None | Pennsylvania |
| 43 | Frank Connell | 35 | head | Machinist | Pennsylvania |
| 44 | Carolina Connell | 35 | wife | Labor | Pennsylvania |
| 45 | Fred Ratchford | 23 | boarder | None | New York |
| 46 | Wm Ratchford | 21 | boarder | Labor | England |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)